20320364036

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1032329}}^1$

素因数の和:1032396

約数の個数: 48

約数和(自身を含む): 43935964800

約数和(自身を除く): 23615600764

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 133, 148, 259, 266, 518, 532, 703, 1036, 1406, 2812, 4921, 9842, 19684, 1032329, 2064658, 4129316, 7226303, 14452606, 19614251, 28905212, 38196173, 39228502, 76392346, 78457004, 137299757, 152784692, 267373211, 274599514, 534746422, 549199028, 725727287, 1069492844, 1451454574, 2902909148, 5080091009, 10160182018, 20320364036]

約数ペア:

[(1, 20320364036), (2, 10160182018), (4, 5080091009), (7, 2902909148), (14, 1451454574), (19, 1069492844), (28, 725727287), (37, 549199028), (38, 534746422), (74, 274599514), (76, 267373211), (133, 152784692), (148, 137299757), (259, 78457004), (266, 76392346), (518, 39228502), (532, 38196173), (703, 28905212), (1036, 19614251), (1406, 14452606), (2812, 7226303), (4921, 4129316), (9842, 2064658), (19684, 1032329)]